Switch Input Check
At the initial stage of the self-diagnostic function, the beeper sounds intermittently. The beeper sounds continuously when any of the following switch inputs are switched from OFF to ON
CMBS OFF switch, cruise control main, SET/DECEL, RES/ACCEL, CANCEL switches, dashlights brightness controller switch, distance switch, headlight washer switch, SEL/RESET switch, parking brake switch, PREVIOUS switch, NEXT switch, and VSA OFF switch.